Temporal synchronization between two Q switched pulses in a 1 × 2 array distribution inside a single...

Area of Science:

• Laser physics
• Optics
• Materials science

Background:

• Q-switched lasers are essential for pulsed applications.
• Synchronizing multiple laser pulses is challenging but critical for advanced optical systems.
• Gain waveguides offer a promising approach for controlling laser modes.

Purpose of the Study:

• To propose and investigate a novel mode coupling method for synchronizing two Q-switched pulses.
• To analyze the temporal synchronization of spatially separated pulses within a single resonator.
• To explore the influence of gain waveguides on pulse buildup and spatial distribution.

Main Methods:

• Utilizing a 1x2 array distribution of gain waveguides within a YAG/Yb:YAG/Cr:YAG resonator.
• Investigating the buildup time interval of Q-switched pulses.
• Analyzing the spatial and longitudinal modes distribution of the synchronized pulse beams.

Main Results:

• Demonstrated a coupling method for synchronizing two Q-switched pulses for the first time.
• Analyzed temporal synchronization, buildup time, and spatial distribution of the pulses.
• Investigated the longitudinal modes distribution to understand synchronization mechanisms.

Conclusions:

• The proposed mode coupling method enables effective synchronization of Q-switched pulses in an array configuration.
• Understanding pulse buildup and mode distribution is key to achieving temporal synchronization.
• This work advances the control of pulsed laser systems for various applications.